I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hello,
I was reading the nrf_libuarte_async library, and noticed that in the
app_timer_handler -
calls the
local_app_timer_start -
again and starts the timer again...
Hi,
I use a 3rd party board from raytac ( https://www.raytac.com/product/ins.php?index_id=95 ) on my PCB and I have problems with a bluetooth low energy connection. On your...
Hello,
I'm trying to get sleep mode working on a nRF52840-DK with Zephyr or Mbed OS while using UART.
It is possible to achieve low current consumption in sleep mode...
I opened an example from the SDK 16 in:
nRF5_SDK_16.0.0_98a08e2/examples/iot/lwm2m/lwm2m_client/pca10056/s140/ses/iot_lwm2m_client_pca10056_s140.emProject
When I try to...
Hello!
I want to develop my own app, and the source code refer to proximity in nrf toolbox. Now, i have some questions:
1. What function in the source code of serverManager...
Hello
In my application, I would like to allow smartphone that are Bluetooth V5 compatible to receive more information in advertinsing packets from my devices (via the ...
Hi,
I want to optimize the transmission efficiency and thinking of sending larger packets than 2048 bytes of MQTT would help.
We have limited battery power, and looking...
Hi,
I am started working on nRF9160 Power Management. I want to power down all devices(sleep mode) expect motion sensor, Wake if motion is detected. I went through System...
Hi Team,
Can you please point me where I can change the compiler optimization level in SES v4.52 and I am using nRF9160 module.
Regards,
Praveen Palaparthi
Hi Team,
We are using the NRF52840 Device with S140 Soft device for our BLE applications. As part of this we have enabled the flash storage as well.
We are unable to write...
Hello,
I'm using nRF52840 custom board with nRF5 SDK v16.0 and Softdevice v7.0.1.
I can successfully DFU/OTA the device using nRFConnect app. But after DFU is complete...
Hi,
I know that Nordic has the ISO 9000 certification, but it seems to make no mention of software on the certificate. Could someone explain if there is some QA methodology...
We have tested the same code on two boards with different revision of chips
nRF52832 QFAAB0 : advertising ok
nRF52832 QFAAE0 : advertising does not work
We are using...
I've been trying to figure out the duty cycle on the low_power_pwm and it looks pretty buggy to me (SDK v13.0.0). Some of the low_power_pwm code considers duty cycle to be...
Hi, I ordered the nrf52840-dongle, but instead of using the USB or external battery to power, I am interested in connecting to a coin battery such as CR2032. I ordered a battery...
